Home / 134,148.52-185,047.87-83,760.04

Finding the Fourth Proportional to 134,148.52, 185,047.87 and 83,760.04

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Solution

The fourth proportional to 134,148.52, 185,047.87 and 83,760.04 is: 115,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,148.52 : 185,047.87 = 83,760.04 : x
  2. Step 2: Convert to fraction form
    134,148.52/185,047.87 = 83,760.04/x
  3. Step 3: Cross multiply
    134,148.52x = 185,047.87 × 83,760.04
  4. Step 4: Simplify right side
    134,148.52x = 15,499,616,993.11
  5. Step 5: Solve for x
    x = 15,499,616,993.11/134,148.52
  6. Step 6: Final answer
    x = 115,540.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.